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e0cc69bef4
On IIJ SA-W2, some multiple LEDs have no "function" property and only
"color" property is available for the newer binding of LED on Linux
Kernel.
9d93b6d091 ("mvebu: drop redundant label with new LED color/function
format") removes "label" property from LEDs, then, multiple "<color>:"
(ex.: "green:"/"red:") will be appeared and renamed to "<color>:_<num>"
(ex.: "green:_1", "green:_2", ...) by kernel.
log:
[ 1.911118] leds-gpio leds: Led green: renamed to green:_1 due to name collision
[ 1.918600] leds-gpio leds: Led red: renamed to red:_1 due to name collision
[ 1.925727] leds-gpio leds: Led green: renamed to green:_2 due to name collision
[ 1.933202] leds-gpio leds: Led red: renamed to red:_2 due to name collision
[ 1.940321] leds-gpio leds: Led green: renamed to green:_3 due to name collision
[ 1.947797] leds-gpio leds: Led red: renamed to red:_3 due to name collision
[ 1.954939] leds-gpio leds: Led green: renamed to green:_4 due to name collision
[ 1.962456] leds-gpio leds: Led green: renamed to green:_5 due to name collision
/sys/class/leds:
root@OpenWrt:/# ls /sys/class/leds/
green: green:_3 green:status red:_2
green:_1 green:_4 red: red:_3
green:_2 green:_5 red:_1 red:status
Fix this issue by adding missing "function" (and "function-enumerator")
property to those LEDs on IIJ SA-W2.
Fixes: 9d93b6d091 ("mvebu: drop redundant label with new LED color/function format")
Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>